*{
	margin:0;
	padding:0;
	box-sizing: border-box;
}
.section{overflow: hidden;position: relative;}
/*第一页*/
.section1{
	background:url("img/hero_sunset_large_2x.jpg") no-repeat center;
	background-size:cover;
}
.section1{
	color:#fff;
}
.section1 h1{
	margin:50px auto;
	padding:50px 0;
	opacity: .8;
	text-align: center;
}
.section1 p{
	width:60%;
	font-size:1.3em;
	line-height: 1.5em;;
	opacity: .6;
	display: block;
	margin:800px auto 0;
}
/*第二页*/
.section2{
	background:#f2f2f2 url("img/technology_hero_large_2x.jpg") no-repeat bottom;
	background-size:100%;
}
.section2 h1{
	margin: 50px auto;
	text-align: center;
}
/*第三页*/
.section3{
	background:url("img/timekeeping_hero_large_2x.jpg") no-repeat center 300px;
	background-size:50%;
}
.section3 h1{
	margin:20px auto;
	opacity: .8;
	text-align: center;
	margin-left:100%;
}
.section3 p{
	width:60%;
	font-size:1.3em;
	line-height: 1.5em;
	margin:20px auto;
	margin-left:1500px;
}
/*第四页*/
.section4 h1{
	margin:50px auto;
	text-align: center;
}
.section4 ul{
	width:100%;
	list-style: none;
}
.section4 ul li{
	background:#F2F2F2;
	margin:0 1%;
	padding:15px;
	float:left;
	text-align:center;
	width:28%;
	height:500px;
}
.section4 ul li img{
	width:40%;
}
.section4 ul li h3{
	margin:20px auto;
	height:22px;
}
.section4 ul li h3.primary{
	background:url("img/logo_collection_primary.svg") no-repeat center;
}
.section4 ul li h3.sport{
	background:url("img/logo_collection_sport.svg") no-repeat center;
}
.section4 ul li h3.edition{
	background:url("img/logo_collection_edition.svg") no-repeat center;
}
.section4 ul li p{
	line-height:1.5em;
}
.section4 ul li a{
	font-size:1.2em;
}
